siderite

Under supergene process influencing, kaolinites invered dickites, siderite were been ferritization, part of carbonate mineral have been dissoluted producing calcite.

在表生作用的影下，高岭向地开转化，菱铁矿褐铁矿化，部分碳酸盐矿物溶解生成方解。

There is siderite, iron dolomite , calcite, Barite, pyrite, anatase, rutile, piece quartz, the mica ( or hydromica ), diaspore,etc. in the impurity in the mineral .

杂质矿物见有菱铁矿，铁白，方解，重晶、黄铁矿，锐钛矿，金红，碎屑英，母（或水母），水铝等。